a) Determine the length (in mm) of a gold conductor that has a resistance of 0.018 Ω and a cross-sectional area of 3.4 x 10-9 m2.  The resistivity of gold is 2.2 x 10-8 Ω-m [round your final answer to one decimal place].  b) An aluminum conductor with the same length and area as in the question above would have a higher resistance than the gold conductor.  The resistivity of aluminum is 2.6 x 10-8 Ω-m. True or False

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Resistivity

Resistivity is a characteristic property of the conductor’s material that measures the extent to which the material opposes the flow of current. It is denoted by the Greek letter “rho”. Electrical resistivity, also known as specific resistance, depends on the nature of the material of the conductor and is unaffected by its dimensions.